# N621US: 2003 Aerostar International S57H

- Status: Valid registration
- Airframe: [Aerostar International S57H](https://openairdocs.org/model/aerostar-international-s57h) (registry code 7485009, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS A15CE](https://openairdocs.org/tcds/A15CE) (Balloonacy LLC) (OpenAirDocs)
- Serial number: S57H-3003
- Year built: 2003
- Type: Balloon
- Engine type: None
- Airworthiness: Standard, balloon
- Airworthiness date: August 14, 2003
- Certificate issued: August 2, 2017
- Expires: August 31, 2027
- Mode S code: A81BC7
- Registered owner: [Green John J](https://openairdocs.org/faa-owner/GREEN%20JOHN%20J)
- Location: [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque)
- Owner type: Individual
- Owner's area on the map: 35.1408° N, 106.5146° W: Placed by OpenAirDocs at the center of ZIP code 87111, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=621US
- Page: https://openairdocs.org/aircraft/N621US

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 1 in force

### Matched by airframe (Aerostar International S57H)

- [AD 2013-03-10](https://openairdocs.org/ad/2013-03-10): Hardware · Aeronaut Instruction Research Skysailor 105, Skysailor 90, 110C and 439 more. Effective Mar 19, 2013

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory) (1 in force)

- [SAIB CE-11-44](https://openairdocs.org/saib/CE-11-44): Fuel: Cylinder Strap Installation. Issued Jul 13, 2011

## NTSB investigations

None matched to N621US.

## FAA accident and incident reports

None matched to N621US.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (4)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Aerostar International S57H)

- [STC SB01030CH](https://openairdocs.org/stc/SB01030CH): Replace Aerostar Basket/BurnerFuel Tanks with a Cameron Balloons Ltd. (Thunder & Colt) Basket/Burner/Fuel Tanks. Balloonacy LLC
- [STC SB244CH](https://openairdocs.org/stc/SB244CH): Install The Balloon Works gondola, Model 3.9, 4.0, or 4.5, and The Balloon Works burner, Model T3-017 with the Fire 2 auxiliary heater. Balloonacy LLC
- [STC SB04407AT](https://openairdocs.org/stc/SB04407AT): Installation of the DBI-III Omega. Balloonacy, Ltd. LLC
- [STC SB03446CH](https://openairdocs.org/stc/SB03446CH): Replace the Aerostar International Basket/Burner system with the Lindstrand Balloons Ltd Basket, Part Number BA-007-A-001, S/N 1157; the Lindstrand Balloons Ltd Burner, Part Number BU-008-A-002, S/N BU1242. Replace the Aerostar International fuel tanks with the Lindstrand Balloons Ltd Fuel Tanks, Part Number CY-030-A-001, S/Ns 1409 and 1439; and Cameron Balloons Fuel Tank, Part Number CB250, S/N 24734J. Kenneth Lehr

## Earlier aircraft with N621US

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N621US before.

- [Cancelled 1995-05-12](https://openairdocs.org/deregistered/N621US-1995-05-12): Boeing 747-268F, S/N 19919. Owner: [Northwest Airlines Inc](https://openairdocs.org/faa-owner/NORTHWEST%20AIRLINES%20INC), [St Paul, MN](https://openairdocs.org/faa-place/MN/St%20Paul)

## Related

- Other Aerostar International S57H aircraft: https://openairdocs.org/model/aerostar-international-s57h/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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